/* process - GRAS process handling (common code for RL and SG) */
-/* Authors: Martin Quinson */
-/* Copyright (C) 2003,2004 da GRAS posse. */
+/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
- under the terms of the license (GNU LGPL) which comes with this package. */
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+#include "xbt/ex.h"
#include "xbt/sysdep.h"
#include "xbt/log.h"
-#include "xbt/error.h"
#include "gras/transport.h"
#include "gras/datadesc.h"
#include "gras/messages.h"
+#include "gras_modinter.h"
-#include "gras/Virtu/virtu_interface.h"
-#include "gras/Msg/msg_interface.h" /* FIXME: Get rid of this cyclic */
+#include "gras/Virtu/virtu_private.h"
-GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(process,gras,"Process manipulation code");
+XBT_LOG_NEW_SUBCATEGORY(gras_virtu,gras,"Virtualization code");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras_virtu_process,gras_virtu,"Process manipulation code");
+
+/* Functions to handle gras_procdata_t->libdata cells*/
+typedef struct {
+ char *name;
+ pvoid_f_void_t constructor;
+ void_f_pvoid_t destructor;
+} s_gras_procdata_fabric_t, *gras_procdata_fabric_t;
+
+static xbt_dynar_t _gras_procdata_fabrics = NULL; /* content: s_gras_procdata_fabric_t */
+
+static void gras_procdata_fabric_free(void *fab) {
+ free( ((gras_procdata_fabric_t)fab)->name );
+}
+
+/** @brief declare the functions in charge of creating/destructing the procdata of a module
+ *
+ * This is intended to be called from the gras_<module>_register function.
+ * This returns the module ID you can use for gras_libdata_by_id()
+ */
+int gras_procdata_add(const char *name, pvoid_f_void_t constructor,void_f_pvoid_t destructor) {
+
+ gras_procdata_fabric_t fab;
+
+ if (!_gras_procdata_fabrics) {
+ /* create the dynar if needed */
+ _gras_procdata_fabrics = xbt_dynar_new(sizeof(s_gras_procdata_fabric_t),
+ gras_procdata_fabric_free);
+ }
+
+ fab=xbt_dynar_push_ptr(_gras_procdata_fabrics);
+
+ fab->name = xbt_strdup(name);
+ fab->constructor = constructor;
+ fab->destructor = destructor;
+
+ return xbt_dynar_length(_gras_procdata_fabrics)-1;
+}
/* **************************************************************************
* Process data
pd->userdata = ud;
}
+void *gras_libdata_by_name(const char *name) {
+ gras_procdata_t *pd=gras_procdata_get();
+ return gras_libdata_by_name_from_procdata(name,pd);
+}
+
+/* this function is splitted from previous to allow SG to get libdata from remote hosts */
+void *gras_libdata_by_name_from_procdata(const char*name, gras_procdata_t* pd) {
+ void *res=NULL;
+ xbt_ex_t e;
+ if (xbt_set_length(pd->libdata) < xbt_dynar_length(_gras_procdata_fabrics)) {
+ /* Damn, some new modules were added since procdata_init(). Amok? */
+ /* Get 'em all */
+ gras_procdata_init();
+ }
+ TRY {
+ res = xbt_set_get_by_name(pd->libdata, name);
+ } CATCH(e) {
+ RETHROW1("Cannot retrieve the libdata associated to %s: %s",name);
+ }
+ return res;
+}
+
+void *gras_libdata_by_id(int id) {
+ gras_procdata_t *pd=gras_procdata_get();
+ if (xbt_set_length(pd->libdata) < xbt_dynar_length(_gras_procdata_fabrics)) {
+ /* Damn, some new modules were added since procdata_init(). Amok? */
+ /* Get 'em all */
+ gras_procdata_init();
+ }
+ return xbt_set_get_by_id(pd->libdata, id);
+}
+
+
void
gras_procdata_init() {
gras_procdata_t *pd=gras_procdata_get();
- pd->userdata = NULL;
- pd->msg_queue = gras_dynar_new(sizeof(gras_msg_t), NULL);
- pd->cbl_list = gras_dynar_new(sizeof(gras_cblist_t *),gras_cbl_free);
- pd->sockets = gras_dynar_new(sizeof(gras_socket_t*), NULL);
+ s_gras_procdata_fabric_t fab;
+
+ int cursor;
+
+ xbt_ex_t e;
+ xbt_set_elm_t elem;
+
+ if (!pd->libdata) {
+ pd->userdata = NULL;
+ pd->libdata = xbt_set_new();
+ }
+
+ xbt_dynar_foreach(_gras_procdata_fabrics,cursor,fab){
+ volatile int found = 0;
+
+ if (cursor+1 <= (int)xbt_set_length(pd->libdata)) {
+ DEBUG2("Skip fabric %d: there is already %ld libdata",
+ cursor, xbt_set_length(pd->libdata));
+ continue; /* allow to recall this function to get recently added fabrics */
+ }
+ DEBUG2("Go ahead for cursor %d, there is %ld libdata",
+ cursor,xbt_set_length(pd->libdata));
+
+ xbt_assert1(fab.name,"Name of fabric #%d is NULL!",cursor);
+ DEBUG1("Create the procdata for %s",fab.name);
+ /* Check for our own errors */
+ TRY {
+ xbt_set_get_by_name(pd->libdata, fab.name);
+ found = 1;
+ } CATCH(e) {
+ xbt_ex_free(e);
+ found = 0;
+ }
+ if (found)
+ THROW1(unknown_error,0,"MayDay: two modules use '%s' as libdata name", fab.name);
+
+ /* Add the data in place, after some more sanity checking */
+ elem = (*(fab.constructor))();
+ if (elem->name_len && elem->name_len != strlen(elem->name)) {
+ elem->name_len = strlen(elem->name);
+ WARN1("Module '%s' constructor is borken: it does not set elem->name_len",
+ fab.name);
+ }
+ xbt_set_add(pd->libdata, elem, fab.destructor);
+ }
}
void
gras_procdata_exit() {
+ int len;
gras_procdata_t *pd=gras_procdata_get();
- gras_dynar_free(pd->msg_queue);
- gras_dynar_free(pd->cbl_list);
- gras_dynar_free(pd->sockets);
+ xbt_set_free(&( pd->libdata ));
+
+ /* Remove procdata in reverse order wrt creation */
+ while ((len=xbt_dynar_length(_gras_procdata_fabrics))) {
+ xbt_dynar_remove_at(_gras_procdata_fabrics,len-1,NULL);
+ }
+ xbt_dynar_free( & _gras_procdata_fabrics );
}
-gras_dynar_t *
-gras_socketset_get(void) {
- return gras_procdata_get()->sockets;
+
+const char *gras_os_hostport() {
+ static char *res=NULL;
+ if (res)
+ free(res); /* my port may have changed */
+ res = bprintf("%s:%d",gras_os_myname(),gras_os_myport());
+ return (const char*)res;
}
